Drott 9K3 4 in 1 (1958)

mc64laugh · Oct 9, 2009

Can anyone help me with info on a Drott 4 in 1 clam bucket crawler info?
This machine has a Drott S/N B12358 Model 9K3. Not real sure if its attached to a TD9 the engine looks like its just a diesel and starter is on the operators left, fuel pump is on the operators front right, air filter sits behind the dash right. I have no idea what engine this has in it? is it a 91, 92? This unit is in Kentucky and not with me now. I do have pics.

OneWelder · Oct 9, 2009

By your discription it is a TD-9 -
91 had air cleaner on left side , just in back of fuel pump, but higher- 92 are six cyl.- if orig. engine is 335

mc64laugh · Oct 9, 2009

Thank you! I looked around today and read a few other posts and feel real confident that it is a TD9. It said that there was a 282 6 cylinder diesel turbo engine that was produced in the 50's. Do you think that this could be the one? I also found another complete unit that matches the operator controls exactly.

OneWelder · Oct 9, 2009

If it has the air cleaner at dash is a 4 cyl ,starts on gas , has gear shift between your legs then it is a TD-9
if it is a 6 cyl. it would be a 92 -unless it was transplanted

mc64laugh · Oct 9, 2009

Thanks again! Last question, I'm sure its a 6 cylinder diesel, but is it a 6, 12 or 24 volt system? Someone has a 12 volt sitting under the seat, not sure if they knew what they were doing. This crawler has been left in a woods for over 15 years Battery is not hooked up to it. It threw a track and the older man just left it there.

OneWelder · Oct 10, 2009

I jumped to a conclusion from your first Post you need to go back and get more information.
The serial you gave is for loader- ( Ithink ) the machine serial number is on lower part of dash.
Look and see: if it is a six cyl. - where the fan is,- where is the gear shift- is it standard or have shuttle- do the finals have heavy ribs or just light ones - does the air cleaner intake come out of dash like a snorkel, or does it come up through hood- since batt, are there count the caps look and see if the are connected in series or par.
If it is a 6 cyl. could be a 92 or a 150
The 6 cyl. were 282

Anonymous-0 · Oct 10, 2009

The turbo 282 was offered on all TD9-92 series Drott loaders. That engine produced from between 66 and 71 hp, depending on what year (later years producing more). The same engine was also offered on the manual gear shift TD9B dozer and 150 loader which started production at the end of 1962 (i.e. when the TD9-92 series halted production). The powershift models of the 150 loader and TD9B dozer used the normally aspirated (non-turbo) version of the 282, and they produced 75 hp at sea level (power would drop off at altitude, unlike the turbo models). You can learn a lot more about your 92 Drott loader at the redpowermagazine.com website.

mc64laugh · Oct 10, 2009

The S/N B12358 was a Drott loader attachment number. The International S/N is in front of the left brake pedal. The pictures I took of this unit just barely shows the data plate. (Will get a better look at it now) The gearshift is on the right side next to operator’s knee and is manual. The air filter comes directly through the top of the hood on the back right side of the engine. There are only two battery connections positive and negative which leads me to think that it's a 12 volt system. One of the last patent numbers on the Drott data plate said (1958) which really says nothing considering they could have use that attachment for many years and models. Finally in front of the air filter there seems to be what looks like to me a turbo which from what I understand was a TD9-92 series which was only an option in the early sixties. I was looking at the serial numbers charts on this site and as soon as I find the number on the data plate most all of my questions will be answered. Thanks

mc64laugh · Oct 10, 2009

I believe that I did read the exact article from that website yesterday. Which should mean that this unit probably is a 1960 or newer machine, especially if it has a turbo on it. I also read that the mid 1950 282 engines had many problems with head warping and cracking.

mc64laugh · Oct 10, 2009

The finals on the back seem to be solid and heavy duty yet the front has a five spoke style. The picture of the unit on the net is exactly like mine, but has the solids on the front. But that could of be a replacement part too.

OneWelder · Oct 10, 2009

From what your latest post says I would agree thats it is most likely a 92 series-
the fuel pump on a 282 is on the ft right side- and manual shift would be on right side
I have seen spoked ft idlers on on the 92 models ,but I think most were solid
yours would have the heavier final cases

mc64laugh · Oct 10, 2009

My curiosity has gotten the best of me now. I'm going to make the trip to Kentucky in the morning to find that International S/N and look on the engine for any data plates as well. Guess I'll take a few tools so that I can expose the motor a little. I want to make sure if the block is froze up or not! This thing really keeps the mind rolling. I'll take tons of pictures as well. Thanks I'll let you know what I discover.

mc64laugh · Oct 11, 2009

Well I had an interesting trip to Kentucky today. I did find the S/N in front of the left turn brake, it was much worn but I did get to look at it and I'm glad it was stamped. It was #TD9-92-3029 which tells me from this sites serial number page that it is a 1959 92 series machine. It was a turbo 6 cylinder machine. Not sure yet if it’s a 282 or 335 diesel cause I don’t know where to look yet. I was really surprised of the condition of this machine considering its long life of just sitting in a woods season after season. I did see many positive factors. The mice were a little hard on the rubber hoses and had a few stored nuts in places yet it all looks promising. The rear final gears were 7 or 8 spoke not solid.

M Diesel · Oct 12, 2009

The D335 is the older 4 cylinder engine in the original TD9. The -92 has the D282 and is related only in that it also has IH part numbers.

mc64laugh · Oct 12, 2009

Thank you very much at least I know what I have in it now. I'm currently examining the fuel pump and lines. The fuel pump and injection lines are on the operator’s front right side of the engine. There are two fuel lines, one on top of the fuel pump that's metal and compression fitted and I'm guessing its the supply and another that is at the middle rear of the pump which is compression to rubber fuel line (is this the return?) Or do I have it backwards? I was thinking the rubber line was the return because most of the injection lines exited from there. At the fuel tank the shut off valve has the metal fuel line yet the return seems to be metal too. I don't know where the two lines meet and switch from rubber to metal.

OneWelder · Oct 12, 2009

Its a 92 - has 282

OneWelder · Oct 12, 2009

On the fuel lines - that sounds right , but am not positive- the supply line would come from fuel filters

mc64laugh · Oct 12, 2009

I just got back from Kentucky and my son and I had a great afternoon checking it out even further. The rubber fuel line did come from the filters and went into the fuel pump; it was just a short section of hose. We took off the valve cover and it was very clean and in order. The section of pipe from the top of the intake manifold to the turbo was the worst news; the two sections of pipe meet together in the middle with an asbestos sleeve (anti-vibration) which was the perfect entry point for mice. The mice carried nuts and stuff all the way up to and through the turbo on one end and all the way back into the manifold and down into the valve chambers. They also came directly down the exhaust pipe and filled the turbo on the other side. I'm glad that we took off these parts because it really did help boost my attitude of it ever running again. Plus it was a must to clean those nuts out of those areas.

Drott 9K3 4 in 1 (1958)

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